Add a spinner to the dialog when loading the iframe so that it's not

just a blank dialog.  Create separate CSS for dialog vs. frame.
Don't show the Loading message for the first load.

modules/organize/css/organize_frame.css

@@ -0,0 +1,99 @@
+.g-organize {
+  font-family: 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
+}
+
+.g-organize div.thumb {
+  padding: 8px;
+  width: 128px;
+  height: 128px;
+  vertical-align: middle;
+  float: left;
+}
+
+.g-organize div.selected {
+  background: #C9D8EB;
+}
+
+.g-organize div.thumb {
+  border: 4px solid white;
+}
+
+.g-organize div.thumb:hover {
+  border: 2px solid #eee;
+  margin: 2px;
+  cursor: pointer;
+}
+
+.g-organize div.thumb div.icon {
+  position: relative;
+  padding: 0px;
+  margin: 0px;
+  visibility: hidden;
+  width: 16px;
+  height: 16px;
+  top: -16px;
+  margin-bottom: -16px;
+  padding-bottom: -16px;
+}
+
+.g-organize div.thumb-album div.icon {
+  visibility: visible;
+}
+
+.g-organize div.drag-ghost {
+  width: 300px;
+  height: 180px;
+}
+
+.g-organize div.drag-ghost div {
+  width: 72px;
+  height: 72px;
+  vertical-align: baseline;
+  float: left;
+}
+
+.g-organize div.drop-target {
+  background: #eee;
+}
+
+.g-organize div.active-left {
+  border-left: 4px solid #C9D8EB;
+}
+
+.g-organize div.active-right {
+  border-right: 4px solid #C9D8EB;
+}
+
+.g-organize label.sort {
+  font: 12px tahoma, arial;
+  vertical-align: middle;
+  font-weight: bold;
+  height: 22px;
+  text-align: center;
+  padding: 4px;
+}
+
+.loading div {
+  font-size: 1.1em;
+  padding-left: 24px;
+  background-color: white;
+  background-image: url(../vendor/ext/images/default/tree/loading.gif);
+  background-position: 4px 8px;
+  background-repeat: no-repeat;
+}
+
+/* IE specific overrides */
+body.ext-ie div.thumb {
+  width: 150px;
+  height: 150px;
+}
+
+/* ExtJS overrides */
+.x-tree-node-el {
+  font-size: 12px;
+  line-height: 20px;
+}
+
+.x-tree-node-leaf .x-tree-node-icon {
+  background-image:url(../vendor/ext/images/default/tree/folder.gif);
+}